Door
https://www.oakwooddoors.co.uk/skirtings-frames-
frame architrave
architraves-and-linings/architraves
Door frame architrave
Door frame architrave, also known as door casing or door trim, refers to the decorative molding or framing that surrounds a door frame
https://www.oakwooddoors.co.uk/skirtings-framesarchitraves-and-linings/architraves