How to start a band

Never used redit besides to watch fights but lokey got a question. How do I write music and make it make sense without sounding choppy. I have ideas for songs just dont know how to implement them and dont know where to start. I can kinda play guitar and im a good singer but I just dont know what the hell im doing lmao plc help with tips or wtv (how to write music and how to start guitar the right way)