Lots of convention's are as follows:
First of all you have a LOT of fursuiters. Theyre adorable, some are more chillax, some are more bouncy and playful, and all around theyre a joy to interact with. If you're in a cold place, expect to see them outside. If its hot out, theyll be inside. I loved my time at MFF 2019, and the fursuiters added so much to it. And seeing them like was the nail in the coffin for me, because I went from "I kinda want one" to "I need this. now. now. now. please. give me now."
Second, panels! Lots of events of various kinds, from yoga panels, to writing 101, college assistance, how to dj, being a furry over the years, the future of the furry fandom, etc etc etc. And lots of comedy panels and special guests. I recommend any panel with Alkali Bismuth and that gang if youre able to attend them. Especially "I comedy better when i've had a few" and "monkey knife fights", "the dragget show", and occasionally "convention horror stories." Keep in mind though that those first 3, and usually the last one, are 18+. "Whose Lion" is also another great panel to see if you can.
Third, lots of just general socializing! There will be a lot of people just talkin, shootin the breeze, jokin around, etc etc. Try and get in those convos if you can! I missed out on them as I was busy panel hopping at MFF 2019, and have been trying to make up the lost time in that with VR Chat as of late. You never know who you might meet!
Fourth, the dealers den! Buy merch!! Art!!! Fursuit bases!! Adult Stuff!!! Theres a TONNNNN of stuff for you to spend far too much money on in the dealers den, and by buying art there you directly support artists!
Fifth. Sex. It does happen, you cant deny it. If that is your thing, stick around in the later hours of the con and hang around where most people hang out throughout the day! Bar, grand entrances, convention centers, etc etc etc, and you're bound to strike up a conversation. and you might get lucky....I assume thats how that works anyways. YMMV! If that isn't for you, just turn down any requests if you stick around late at night, or call it a night early.
Edit! I forgot to mention this part, but conventions are also huge charity events! At MFF 2018, The con raised
92,000$ for charity. This community is amazing!