Needed or required; unavoidable. basic requirements of life.

dark area or shape produced by body coming between rays of light. Areas of darkness that are caused by blocked light. To secretly follow a person.

Reluctant or slow moving. pull along forcefully.

Acting or speaking for other people. Typical example of a particular category.

Area of the face above the eyes.

first or earliest. earliest form of something.

best part of a period or event. Best or most interesting parts of some things. draw attention to.

To act or speak for another person or other people.

carefully choose as being best or most suitable.

Introduction of a new product, film, book, etc.. To let go of something you are holding.

taking of sample or samples. To try (e.g. food), to see if you like it.

as alternative or substitute.

With no mistake or error; Correct.

Picture showing something in a particular way.

constituting result found by dividing total amount. number expressing the central or typical value in a set of data. amount to or achieve as average rate or amount over period of time.