How can I tell when to use a , or a ;???

Question

anonymous · Answer

Maybe...
AND and BUT, but OR
Example sentences: I like coffe and tea. I like football, but I do not like volleyball. She will be a teacher or a photographer.

anonymous · Answer

I dont understand it...

anonymous · Answer

or use when you want to have to write a sentence like: either that or this. for example:
We'll spend summer holiday in Italy or Spain (I will spend my vacation in Italy, or in Spain.
Definite article a / an before countable nouns use singular when treating a person or object as a representative of the group and are not interested in us, which is exactly the person or thing going on.

anonymous · Answer

actally what if it uses so??

anonymous · Answer

Whenever I use a computer, a button has to be pressed.
 
A ; is more like for an explanation
Can i please have the cookie; the one with the sprinkles.

anonymous · Answer

Pronunciation? As in the sound of the letter 'a', or the word a?