Keywords: last, final, lastly, finally
As a Noun
The thing or part that comes at the end of something. English = the last.
As a Verb or Adjective
To be at the end of something, such as a series of numbers. English = (be) last, (be) final.
To be the only thing that remains after all the others have gone. English = (be) last.
Used at the beginning or end of a sentence, to mean that what you are about to say is the last of a series of things you want to mention. English = lastly, finally.