Matter

mat·ter | ˈmatər |

1. physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, esp. as distinct from energy: the structure and properties of matter.

  • a substance or material: organic matter | vegetable matter.
  • written or printed material: reading matter.

Things that matter, such as professional work or published writing. A rather short list.