importance -
the quality of being important and worthy of note; "the importance of a well-balanced diet"
unimportance the quality of not being important or worthy of note
of import,
important of great significance or value; "important people"; "the important questions of the day"
unimportant not important; "a relatively unimportant feature of the system"; "the question seems unimportant"
value relative darkness or lightness of a color; "I establish the colors and principal values by organizing the painting into three values--dark, medium...and light"-Joe Hing Lowe
big deal anything of great importance or consequence
magnitude the property of relative size or extent (whether large or small); "they tried to predict the magnitude of the explosion"; "about the magnitude of a small pea"
account the quality of taking advantage; "she turned her writing skills to good account"
