Who am I?
I am used to replace a coordinating conjunction(and/but)

Who am I?
I am used to give additional information - a bit like a dash.

SEMI COLON CAN REPLACE

• F
• A
• N
• B
• O
• Y
• S

The colon is used to call attention to the words that follow it. Writers should, therefore, use a colon after an independent clause to announce a list or quotation. It could be described as "the little trumpet that precedes an important royal announcement"

The garden contained the following plants: carrots, lettuce, basil, and tomatoes.

Don't forget my grandpa's words: "Look before you leap."

Finally, writers should always use a colon to emphasize a connection between two independent clauses, particularly when the second clause explains or gives more information about the first.

Love is blind: sometimes it keeps us from seeing the truth.

Many of the students worked in the evenings: six of them were waitresses.