Maybe your brand is creating a category and you need to define that here, or maybe you have specific products that require definitions. At the minimum you should but your companies boiler plate here.
EXAMPLE: Underscore VC
Short Description (Used for Social Media):
Boston-based venture capital firm backing bold entrepreneurs from Seed to Series A with an aligned community designed to fit each startup's unique needs.
Boiler Plate Description (Used for Press Releases):
Underscore VC is a Boston-based venture capital firm backing bold entrepreneurs from Seed to Series A with an aligned community designed to fit each startup's unique needs. Learn more: