As vs Like; As adj As; Such As

As vs Like; As adj As; Such As

1. Like

   • discribe similarity
   • comparisons
   • it means that what follows is intended as a frame of reference to indicate the group of things you're talking about.

2. As

   • Describes job/function/role
   • In informal english people sometimes use LIKE instead of As

3. Such as

   • Implies inclusion
   • It means that what follows are examples of the things that are part of the group you're talking about.