Staff - The musical staff has five lines and four spaces.  
Treble Clef - The sign at the beginning of the staff, indicating which notes are represented by which lines and spaces.
Lines in the Treble Clef - The lines are E-G-B-D-F. Count the lines (1-5) from the bottom of the staff to the top.
Spaces in the Treble Clef - The spaces are F-A-C-E. Count the spaces (1-4) from the bottom of the staff to the top.