As a Noun:
1. The act of giving something to someone, taking someone to something, or pointing to something so that the person you are talking to can see it or know that you are referring to.
2. One thing of a particular kind, which is mentioned or pointed out in order to show the characteristics of that kind of thing. English = example.
As a Verb or Adjective:
1. To give or take someone to something, or to point to something so that the person you are talking to can see it or know what you are referring to. English = show. Idiomatic English = give (someone) a look, point out.
As Modifier:
1. Used at the beginning of a sentence to mean that what follows is mentioned or pointed out in order to show the characteristics of the kind of thing you have been talking about. Its abbreviation in English is 'e.g.,'. English = for example.