How to use 'mean'

’Mean’ as a verb can show a thought, idea or fact. I don’t know what this text means. He said ’We need to talk...’. ’Mean’ can show that a specific result has been achieved. You got 75%. This means you passed the exam! ’Mean’ can be similar to ’intend’. I didn’t mean to call you. I sat on my phone and it must have rung you. The adjective ’mean’ describes an unkind or not generous person. He’s so mean. He only put 20p in the charity box!