Bolve technologies is a small-scale smartphone manufacturer. it advertises its phones via television commercials. customers can buy these phones only by placing a call to the sales reps of bolve technologies. it is evident that bolve technologies is engaged in

direct response retailing

Explanation:  

Direct response retailing -

It is the method , by which the the people can advertise for their goods and services , via , television , radio or newspaper , by providing , the information about the product , along with some contact detail like email address , phone number , by which the people can enjoy the goods and services , is referred to as direct response retailing .

Hence, from the question,

Bolve Technologies , are advertising for their product via television , and hence are adapting the direct response retailing.

intimacy, passion and commitment are the components of a interpersonal relationship emphasized in the triangular theory of love by robert sternberg.

the triangular theory of love says love can be comprehend as this componest form the vertices of a triangle.  

intimacy relates to feelings such as of closeness and connection;

passion relates the drives that brings people together, as physical attraction.

commitment relates to the being in a long-term relationship.