reference

As a noun requisition

is requisition.

As nouns the difference between credentials and reference

is that credentials is plural of lang=en: Documentary evidence of someone's right to credit or authority, especially such a document given to an ambassador by a country while reference is a relationship or relation ({{term|to}} something).

As a verb reference is

to refer to, to make reference to, to cite.

As a noun record

is record.

As a verb benchmarking

is .

As a verb ascribe

is to attribute a cause or characteristic to someone or something.

As nouns the difference between reference and control

is that reference is a relationship or relation ({{term|to}} something) while control is influence or authority over.

As verbs the difference between reference and control

is that reference is to refer to, to make reference to, to cite while control is to exercise influence over; to suggest or dictate the behavior of.

As a noun explanation is

the act or process of explaining.

As a noun landmark is

a recognizable natural or man-made feature used for navigation.

As a verb landmark is

(us) to officially designate a site or building as a landmark.

As a noun library

is an institution which holds books and/or other forms of stored information for use by the public or qualified people it is usual, but not a defining feature of a library, for it to be housed in rooms of a building, to lend items of its collection to members either with or without payment, and to provide various other services for its community of users.

As a noun trills

is .

As a verb trills

is (trill).