Making a new unit using age

MrMew writes: Ok... lets put this in simple terms, I read the whole thing of age 1.8, but it does not show anything editing data, for example: "goto to (insert data to be edited here) to edit attack, type in (insert #) in the (technology thingo) to get the research for the (insert age). To use your unit in-game goto (insert whatever here).

You might want to look at the title of the topic to actually answer my question properly AND I've been to the university several times and could never find what I've been looking for. Also the only guide I do have for using age is for using a different version of age.