Dictionary.com on the word "Summa"

summa [ soom-uh, suhm-uh ]

noun, plural sum·mae [soom-ahy, suhm-ee], sum·mas.

      1    a comprehensive work or series of works covering, synthesizing, or summarizing a particular field or subject.

      2    a work or series of works that is a summary of all human knowledge.

In Latin, "summa" means

1. chief point, essence, principal matter, substance
2. sum
3. summary
4. total


Summa Intel X (Twitter)