Receptive and Expressive Language: What They Are and How to Build Both with Brilliance of Babies Books

When parents hear the word language, they often think about talking. First words. New phrases. The exciting moment when a toddler starts saying more and more each day.

But there’s more to oral language development. Before children use language, they understand language.

It really helps to know the difference between receptive and expressive language. Both matter. Both develop over time. And both can be supported as we talk and read with our children.

Each Brilliance of Babies book is designed with the understanding that receptive and expressive language both play an important role in long-term literacy success. These knowledge-building board books are meant to help you build language in a natural way, starting early and growing with your child.

Language and knowledge now. Reading comprehension later.

What is receptive language?

Receptive language is the language your child understands.

That includes words, phrases, and ideas they hear and begin to make sense of over time.

When you first say their name and they turn their head to you, when you ask for a ball and they bring it to you, when they get excited that it’s almost time to eat. When you know they understand what you say, this is receptive language. 

Receptive language starts developing long before expressive language. Long before a child says their first word, they are listening, watching, noticing patterns, and connecting language to what they see and experience.

This is one reason early book sharing matters so much. When you read to your baby, point to pictures, and name what is on the page, you are building understanding. You are helping them connect words to the world.  A baby may not be able to say bird, feather, or nest, but they can still begin to understand those words when they hear them often in meaningful contexts.

That is one reason real-photo board books can be so powerful for babies and toddlers. Real photographs help children connect language to the real world.

What is expressive language?

Expressive language is the language your child uses to communicate. 

That might look different at different ages. It may begin with sounds, gestures, or single words. Later, it grows into phrases, sentences, questions, and conversations.

Even before they can name the animals in a book, a child can point to show their understanding. That’s expressive language.

Once they start using words, the conversations get more and more fun!

Expressive language depends on a strong foundation of receptive language. Children understand far more than they can say. Keep talking, reading, and naming even before you hear many words back.

Why receptive language matters for reading 

Receptive language can be easy to overlook because it is quieter. It doesn’t always come with a big moment you can capture on video. But it is incredibly important.

Receptive language matters because the words children understand early on help build the foundation, not only for expressive language, but also for later reading. When children build receptive language, they are building understanding. They are learning what words mean. They are learning how language connects to real objects, actions, and ideas. They are building the foundation for later conversation, learning, and reading comprehension.

This is especially encouraging for parents of babies and toddlers who aren’t yet talking much. A child doesn’t need to be speaking a lot for language growth to be happening. If they are listening, watching, and sharing attention with you, important learning is already underway.

In other words, we don’t have to wait until a child is talking to start laying the foundation for reading. As one reading researcher, Dr. Hugh Catts says, “Reading comprehension begins at birth.”

How books can support receptive and expressive language

Every Brilliance of Babies book is designed for conversations. I write them with both receptive and expressive language in mind.

Yes. You can read the words on each page. That definitely builds oral language. But you can also talk about what you see in the book. In fact, parents often give more language input (say more words) when reading a wordless book. 

Each book contains carefully selected photographs that teach multiple concepts on every page. So there's a lot to discuss. 

The Grown-Up Guide in the back of each book helps you see exactly what concepts can be taught through the book and how to talk about them in ways that match your child’s stage of development. 

You don’t need to cover everything on every page. In fact, it often works better when you do less.

Building Receptive Language the Brilliance of Babies way

If your baby is very young or just beginning to understand words, keep it simple.

Choose one concept from the Grown-Up Guide and repeat it across the book. Then, on each page, say only one or two words, with one of those words being the concept you want to build. That’s the Brilliance of Babies Method in a nutshell. 

This gives your child repeated exposure to the same word in a clear and meaningful way. You can feel confident knowing that repetition is powerful.

Let’s say you’re reading to a 9-month-old. Choose one concept. You can start with birds, but once the child understands what a bird is, you might choose beaks or wings or feet. 

When you sit down to read, point to the bird on every page and say, “bird, black bird, big bird.” 

It’s so tempting to ask your baby questions as you read to see if they can use the words expressively. Our purpose here is to teach, not test. Keep building their receptive language. Words will come in time.

A Simple Way to Build Expressive Language

Your first goal is for your baby to understand the word. Receptive language comes first, but eventually your baby will start pointing to the bird. Pointing is expressive. Later they’ll say “bird!” Don’t be surprised if the first time you hear the word isn’t while reading. It could be out on a walk or playing outside when they see a bird. This is actually a great sign. This means they’re connecting what they saw in a book to the real world!

As children get older and begin saying more words, they benefit from hearing more language from you. The technique to grow receptive language also works for expressive. In fact, the idea for these books came to me the day after my 15-month-old said the word, “hat,” after a few weeks of following this method of reading the book Global Babies.

As babies begin to show their receptive understanding, keep the conversation centered on one concept, but elaborate. Talk more about what you see on the page. Give your child lots of language connected to the image.

You might describe what is happening, name details, or add simple observations. You are still focused, but now you are surrounding that concept with more words and more meaning.

For example, if the concept is nest, you might say, “I see a bird sitting in a nest.” The nest is up in the tree. It looks round and safe. The baby birds are inside the nest.

Over time, they may begin to join in with single words, short phrases, and then bigger ideas. When they use their words to respond, you can use a technique called echo expansion.

You Don’t Need to Do Everything at Once

One of the most encouraging things for parents to remember is that you don’t need to turn reading into a lesson. You don’t need to talk about every detail on every page. You don’t need the perfect script.

You just need a simple, intentional way to begin.

Pick one concept. Repeat it often. Talk about what you see. Follow your child’s lead. Let the same book grow with them over time.

The Grown-up-Guide is there in the back of every book to help. It shows you how the same book can be read again and again for different purposes as your baby grows, from naming simple concepts for young babies to expanding on your toddler’s words with richer language and more detail. 

It helps take out the guesswork and gives you a starting point for building language in a way that feels natural and doable.

Same book. Deeper conversations as your child grows.

Peace of mind for parents

If your child isn’t saying much yet, that doesn’t mean language isn’t growing.

Receptive language comes first. Understanding builds before talking. And every time you read, point, name, and talk about what is on the page, you are helping lay that foundation.

Those quiet moments matter.

They matter when your baby looks at the picture.
They matter when your toddler points.
They matter when a familiar word starts to become meaningful.
And they matter when your child is finally ready to say that word out loud.

Language is built little by little, and books can be part of that process from the very beginning.

If you are concerned about your child’s language development, listen to your gut. You can use the same milestone journal I used when I had concerns about my third baby’s expressive language. It’s part baby book, part milestone checklist, and it’s what convinced our speech-language pathologist that my toddler needed a little support.

Final Thoughts

Receptive language is what your child understands. Expressive language is what your child says and communicates. Both are important, and both can be nurtured through simple reading routines.

When you share a book with your child, you are doing more than reading words on a page. You are building understanding, supporting communication, and creating the kind of language-rich interaction that helps children grow.

That is the heart of Brilliance of Babies board books. They are designed to help you slow down, nurture curiosity, and use story time to build language one page at a time.

Language and knowledge now. Reading comprehension later.