You're and your are easy to confuse.
You're means you are.
Your means belonging to you.
You're is a contraction, and your is a possessive determiner.
'you're welcome' means you are.
Belonging or relating to the person or group of people being spoken or written to:
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The meaning of your is of or relating to you or yourself or yourselves especially as possessor or possessors, agent or agents, or object or objects of an action.
Definition of your determiner in oxford advanced learner's dictionary.
Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.