Specifications include, but are not limited to: Product categories include, but are not limited to: i. Interior signage a. Examples include but are not limited to wall, door, window, and ceiling graphics, architectural signage, creative wall finishings, room identification signs, informational signs, regulatory signs, and directional and wayfinding signs. ii. Exterior signage a. Examples include but are not limited to pylon signs, awnings, channel letters, associated lighting elements, semi-permanent building and wall signs, banners, window graphics, point-of-sale displays, custom-printed fence privacy screens, pole signs, building identification signs, regulatory signs, directional and wayfinding signs. 1.2.2 Service categories include, but are not limited to: i. Comprehensive design in compliance with TTU’s Identity Guidelines; and ii. Fabrication, installation, and maintenance. 1.2.3 Product and Service requests will be formally submitted to Awarded Proposer(s) by the issuance of a Purchase Order, and no Products or Services other than what is authorized on a Purchase Order and approved by the TTU Office of Marketing and Communications shall be authorized.