Fundamentals of Business

Market reach

Estimated number of the potential customers it is possible to reach through
an advertising medium or a promotional campaign.

Advertising medium
Any single advertising-vehicle comprising advertising media.

Advertising media
Various means (advertising vehicles) such as billboards, magazines, newspapers, radio, television,
and internet by which promotional messages are communicated to the public using words, speech, and pictures.

Examples of companies operating at different levels and their advertising mediums

Local Market Reach

There are so many micro and small businesses that operates at a local level; it is no doubt no one has ever heard of them, unless you leave in the localty. It will be pointless to give an example of any.

Caution
"One must not confuse internet as a distribution channel from internet as an advertising medium".

National Ma Market Reach

Is an example of an enterprise that operates on national level. They operate in;
Scotland, North of England, Central England, London, South of England Their advertising campaign is intended to reach the national audience.

Continental Market Reach is an example of an enterprise that operates in a continental level. It only operates between UK, France and Belgium, and can offer connections to other European destinations.