action or process of sending something by mail. To send a letter or email.

thing that causes someone to remember something. Some things that causes one to remember some things.

constituting result found by dividing total amount. number expressing the central or typical value in a set of data. To add numbers then divide by the number of items.

Having the desired effect or result.

Fight between opposing military forces in a war.

One one-hundredth of a whole; the symbol %. one part in every hundred.

loyal and steadfast. people faithful to religion etc..

person or company that advertises or promotes something. People or businesses that sell services or goods.

Being what was wanted or needed. used to greet someone in polite or friendly way. instance or manner of greeting someone. To accept or receive something happily and gladly.

That surprises you; not expected. unexpected or astonishing event, fact. To do something that another person didn't expect.

person who receives publication regularly by paying in advance. People who pay a (monthly) fee to get services.

To regularly pay to receive a service.

happy and peaceful. Information in something, e.g. book or computer. satisfy.

of great vertical extent. at or to considerable height.

day of festivity or recreation. spend holiday somewhere.