Acolon can introduce a list of items.

Rule 1: Use the colon after a complete sentence to introduce a list of items when introductory words such as namely, for example, or that is do not apply or are not appropriate.

Rule 2: A colon usually does not precede a list unless it follows a complete sentence.

Rule 3: With tabular format, a colon customarily precedes a list.

Explanation:

Hopefully this helps:)

the aesthetic impact is that moment when you are relating spatially to the target. the "ai" occurs when you have an impression that includes both you and the target and is usually a spatial relationship.