They're=THEY ARE;They're going to the park.
Their= Group Possessive;It's their money
There=location/thing; Is there anything we can do?
Your=Possessive; Your cat is white.
You're=YOU ARE. আপনি are late to class.
Sorry I went elementary school teacher/Grammar Nazi on your collective illiterate asses but I just felt the need to reinstate some level of intelligence back to this club.
That is all.