The world of words in any language is fascinating. When we talk of the expanding vocabulary of a language, we generally refer to words that form the meaning based of that language.Here, the teacher is asking to find words that can befriend the words and add words that appear before and after a particular word which is called collocation.Collocations are words that co-occur naturally in a significant way, for example, sunny occurs with day and disposition. They can be grammatical and lexical collocations.In the English language, many words occur in groups or pairs naturally or habitually. These are called word collocations. Example: a quick temper.When two terms are used together frequently, they are said to collocate as collocation refers to the combination of words that are closely affiliated with each other.For example - fast food, bright colors, paying attention, etc. There are various types of collocation like verb, noun, adjective, and business collocations.Hence, it is clear that this strategy is known as collocation.Additional InformationWord web is a diagram like a mind map that is used to enhance a child's vocabulary.Vocabulary refers to the set of words an individual uses as a tool for communication. It is a collection of familiar words used or understood by an individual or group of people.Mind-map: A mind map is a graphical way to represent non-linear ideas and concepts. It is a visual thinking tool that helps to structure information, helping you to better analyze, comprehend, synthesize, recall, and generate new ideas.