'to speak; to talk; to say; to tell'. On its own, this character can mean any of these, e.g. 讲故事 jiăng gùshi - to tell a story; 别讲了 bié jiăng le - say no more.
Common bigrams include:
讲话 jiănghuà - 'to speak or talk; a speech or talk'.
听讲 tīngjiăng - 'to listen to a speech or lecture'