Video/Geometric Algebra, First Course

Holmes, David (May 5, 2021). Geometric Algebra, First Course, Episode 00: High Level Overview. local page: David Geo Holmes. 

The summarizing statements start at 10'15"(615):

Intuitive statement

A way of assigning mathematical objects to the physical quantities, connecting them all with operators.

Formal statement

A way to assign mathematical objects to the physical quantities, connecting them all with operators. There are many interesting operators.

{{#ev:youtube |e5D7Bma9Vhw|||||start=615&end=650 }}