Name	Notation	Description	Types	Status
within basins	basins	A depression of the sea floor more or less equidimensional in...	Concept	stable
within guyots	guyots	An undersea mountain having a comparatively smooth flat top. ...	Concept	stable
within hills	hills	Medium relief (differences 250-1000 m within 5-10 km range) o...	Concept	stable
within hollows	hollows	Low relief (differences 30-250 m within 5-10 km range) on lan...	Concept	stable
inapplicable	inapplicable	None of the codes in the table are applicable in the context ...	Concept	stable
within mountains	mountains	High relief (differences > 1000 m within 5-10 km range) on la...	Concept	stable
within plains	plains	Very low relief (differences <30 m within 5-10 km range) on l...	Concept	stable
within ridges	ridges	A long, narrow elevation with steep sides; or: A long, narrow...	Concept	stable
within rises	rises	Low relief (differences 30-250 m within 5-10 km range) on lan...	Concept	stable
within sea mounts	seaMounts	An isolated or comparatively isolated elevation rising 1 000 ...	Concept	stable
within trenches	trenches	A long, narrow and deep depression of the sea floor with rela...	Concept	stable
unknown	unknown	The topographic context is unknown.	Concept	stable
within valleys	valleys	Medium relief (differences 250-1000 m within 5-10 km range) o...	Concept	stable