Many of the commands in terminal are in fact abbreviations of commonly used terms. Examples are "ls" for "list", "cp" for "copy", "mv" for "move" and "cd" for "change directory". With those basic commands you can navigate through the system, look at folder (directory) contents and move them around. To save a lot of typing you also have autocomplete by hitting the "tab" key - just like a lot of word processors have. Just think of it as the Readers Digest version of doing things - the shortened and abridged version!