C - current - there is a time element to culture
U - underlying - it is the reason for the things we do things
L - learnt - we learn culture from the time we are born
T - transient - it changes
U - useful - directs our behavior
R - reason - why we think and do what we do
E - enlighten - creates an awareness

To me culture is what roots me. It does not really matter geographically where I am but my culture gives me the roots. It tells me who I am.
When I have to intrduce myself to another person, I know who I am. That is so important to be able to interact with another person.