What does it mean to have a Valentine?

Is it possible to be a "valentine" just on Valentine's Day or must there be a committed relationship? What is expected of someone who is someone's valentine? What in the world does "valentine" mean?

I am in grade 7 in middle school and there is this girl in this class that said I was her valentine...? I was with my friend and she was with her 2 other friends and she said to me that I was her valentine and i said okay, does it mean she likes me or...

Valentines day there are always candy or cards and all with little wuotes like "Be Mine", or "Be My Valentine" ..they all sound adorable but I don't understand..what is being someones valentine supposed to mean and all? Soo what's...

During school I decided I wanted to ask her, during the last class of the day I text her asking what class she was in so I could talk to her. She replied with about 5 minutes of class left and I left early to go find her. When the bell wrang I found...

What does it entitle.. Like, I always knew people were supposed to ask to be someone's valentine, but what does that mean? What's the difference between being a valentine and dating someone? Tell me everything you know about being someone's valentine...

Heeey, i need help. Someone asked me to be there valentine, but i don't know what that means. I'm already with a guy but another one asked me to be there valentine. What does it mean to be asked to be your valentine?

I like this girl and im bout to ask her to be my valentine but i kinda dont know what it really means. Explain please

so i have this friend, or well hes a friend of all my friends but we talk alot on facebook and i say hi to hm when i walk past him at school and he was like hey sexy wanna be my valentine, and i was like hahhaha hell yes, but not seriously, lets not...