interface

As a verb engage is

.

As a verb confront is

to stand or meet facing, especially in competition, hostility or defiance; to come face to face with; to oppose; to challenge.

As an adjective interconnected

is intertwined; connected at multiple points or levels.

As a verb interconnected

is (interconnect).

As verbs the difference between interlock and interface

is that interlock is to fit together securely while interface is to construct an interface for, to connect through an interface.

As nouns the difference between interlock and interface

is that interlock is a safety device that prevents activation in unsafe conditions while interface is the point of interconnection between entities.

In computing terms the difference between interface and face

is that interface is the connection between a user and a machine while face is an interface.

In transitive terms the difference between interface and face

is that interface is to construct an interface for, to connect through an interface while face is to have as an opponent.

In intransitive terms the difference between interface and face

is that interface is to be an interface, to be into an interface while face is to have the front in a certain direction.

As a proper noun channel

is (by ellipsis) the english channel.

As a noun representation

is representation.