As you would expect, a synonym of "obviously"

Said when there's more than one way to say something

Said to admit something.

Used in sentences in which there is information that is in some way surprising or the opposite of what most people would expect. A synonym of "really" or "in fact"

Said right before giving news or something exciting or surprising.

Used when saying something that is almost the opposite of what you have just said, or that explains or emphasizes it

You say this before making a statement or give a strong order. A synonym of "only" or "simply"

Used to change the subject in a conversation.

Used to say what appears to be true.