New to this help plz

So af ended on Nov 15th and hubby n I bd 5 days since then and we are ttc but anywho I wanted to know what this is supposed to be? I've never tracked all these things with my body before! There's so much I didn't even know about. Never had my mom or any other adult woman to tell me about this stuff and I'm 28 yes I know I'm older but can't help it that id don't know. But never to late to learn.TIA for all answers!