Language Function: Definition and Classification

Where Do We See Definition and Classification in Real Life?

In essays and research papers

In dictionary entries or glossaries

In science and history (types of rocks, governments, etc.)

In social media posts that break down complex topics

In explanatory videos, tutorials, or how-to guides

In presentations or debates

Definition and Classification Exercises

Define a word or idea (like freedom, courage, or respect) and give examples.

Sort a group of items into categories and explain the reason.

Write a paragraph that defines a type of person, job, or belief.

Make a concept map that shows a big idea and its types (e.g., types of music or emotions).

Compare dictionary definitions with how people use the word in daily life.

Classify different kinds of relationships, animals, sports, etc.

Choose a word that’s hard to explain and write how you would describe it to a younger student.

Write about types of students or learners and what makes each one different.

Make a Venn diagram showing two categories and what they share.

Use photos or emojis to show categories and define them.

✅ Pros:

Helps clarify abstract or complex ideas

Encourages organized thinking and grouping

Useful in academic writing and formal discussions

❌ Cons:

Can be too broad without focus

Risk of oversimplifying deep ideas

May need examples or visuals to support meaning

To define something:

___ is defined as ___

The term ___ means ___

___ can be described as ___

In simple words, ___ is ___

To classify types or groups:

There are several types of ___

___ can be divided into ___

One kind of ___ is ___

Another form of ___ includes ___

These types share ___ but differ in ___