on the subject of	thing which is being dicussed, considered
the theme of	main subject
essay topic	subject of writing
the issue of	problem, matter of dealing with
theory (of)	statement on sth
model of	a representation of sth
the nature of	characteristics of sth
the principle of	the basic rule of sth
aspect of	an individual part of
feature of	a typical quality of
beyond the scope of	in the range of subject covered somewhere
revealed a pattern of	showed a reguraly repeated arrangement
the number of	amount or level
significance	importnace
identification	ability to establish the identity of sth
assessment of	judgement of the amount/ value
the case for	suggestion// arguments, facts in support of or against sth
approach	way of considering sth
perspectives/ views on/ approach	different/ individual way of considering sth (3)
awarness of	having special interest or experience od sth
research into/ on	examination into
methodology	a system of ways of studying sth
researches	no! > research studies/ studies/ pieces of research
broaden the scope of research	poszerzyć zakres of examination
TO some extent/ degree	do pewnego stopnia