The following words, terms and phrases, when used in this article, shall have the meanings ascribed to them in this section, except where the context clearly indicates a different meaning:

aesthetic means pertaining to beautification and good appearance through design, quality, maintenance and good upkeep.

Appearance means the outward aspect visible to the public.

appurtenances means the visible, functional objects or accessories to and parts of a building.

blighting means any cause of destruction or ruin; to cause to wither or decay.

deterioration means the condition or appearance of a building or parts thereof showing evidence of physical decay, neglect, excessive use or lack of maintenance.

encroachment means entering by gradual steps into the possessions or rights of others.

Family means an individual or a group of persons related to each other by blood or marriage or a group of not more than four adults who are not necessarily so related, living together under one roof as a single household unit.

Filth means foul matter; unsanitary conditions; offensive or disgusting.

Infestation means the presence of insects, termites, rodents, vermin or other pests on the premises which constitute a health or structural hazard.

landscape means elements of nature and manmade objects combined in relation to one another.

nuisance means everything that endangers life or health, gives offense to senses, violates the laws of decency or obstructs reasonable and comfortable use of property.

Obnoxious means very unpleasant, objectionable and offensive.

screening means a structure or planting which conceals from public view the area behind such structure or planting.

topography means the physical characteristics of land.