Which definition of interaction types that underlie the user experience is correct?

a$.$

Users manipulate objects in a virtual or physical space by opening, holding, closing and placing them

b$.$

Selecting options from a menu is an example of manipulating objects in a virtual space

c$.$

Responding is when users have a dialog with a system like speaking via an interface to which the system replies via text output

d$.$

Browsing is where users move through a virtual environment.