7 = The 6 points plus the center
7 = The 6 days of Creation plus the seventh day of rest
7 = The 6 working days in the week plus Shabbat
7 = The 6 directions of space plus the center (Up, Down, East, West, South, North, and Center)
7 = The 6 Sefirot of the Male (Zeir Anpin) united with the Seventh Sefirot of the Female (Nekuva).
– Secrets Behind the Star of David, Star of David, Taliscope.com