Relating to the period before written history.

continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. Over, in, across an entire thing or place.

official department that administers and collects duties levied by government on imported goods. Traditions that most people in a community do.

showing emotion or sensitivity. emotional state or reaction. To sense through direct contact; touch.

To capture the attention of.

Set of changes that occur slowly and naturally. To deal with official forms in the way required.

estimate without being sure of being correct.

human intellectual achievements. artificially cultivate bacteria etc..

Part of a piece of music.

In every way or as much as possible.

referring to signals/information represented by discrete values of quantity.

Someone who is skilled at studying details of data.

production of books, newspapers, or other printed material. To make many copies of a page, magazine or book.

transmission of customs or beliefs from generation to generation. Events, customs or ways common to a people or race.

evoking interest, attention, or admiration in powerfully irresistible way. To force someone to do something.