Out-Of-Home advertising is OOH Media. Outdoor advertising is essentially any type of advertising that reaches the consumer while he or she is outside the home. This medium is in contrast with broadcast, print and internet advertising.

Out-Of-Home advertising is focused on marketing to consumers when they are “on the go” in public places, in transit, waiting areas, and / or in specific
commercial locations. Out-Of-Home advertising formats fall into 4 main categories:

a) Billboards Advertising
b) Street furniture Advertising
c) Transit Advertising
d) Alternative Advertising