What is integrated brand promotion $($IBP$)?$

Question $5$ options:

a$)$

A company's decision to focus on a wide range of traditional advertising forms to replace nontraditional forms.

b$)$

A unique concept seen mainly in local advertising campaigns.

c$)$

A collaboration of two or more brands within a single ad with the purpose of sharing costs.

d$)$

The marketer must coordination with several promotional tools to create pervasive brand exposure.