But now there is flesh on their bones in the eighth edition of Robert Waller's Almanac of British Politics, which will tell you what each of the new and the amended constituencies comprises - and the old ones too.
In Lothian, the euro-constituency comprising nine Westminster constituencies, Donald Dewar and a panel of four Scottish executive members, Alex Rowley and two NEC members, have selected Lorna Shields as number two on the regional list.
It is a historic constituency comprising some of the most scenic and desirable places in Nottinghamshire," Mr Jenrick said.
At the individual level, these behavioral factors paint a picture of a right-leaning constituency comprised of highly-active, politically-engaged social media users, a trend we see reflected in the communication and social networks in which these individuals participate.
Currently, the average Scottish Parliament constituency comprises 55,000 electors.
But that was one sport, not the dozens, with all their fan constituencies, that comprise the Olympics.
Just as there is no common ideology that defines populism, there is no one constituency that comprises "the people".
Trickett has represented the constituency of Hemsworth in Yorkshire, comprising former mining communities, since 1996.
Comprising the Shetland constituency of the Scottish Parliament, Shetland is also one of the 32 council areas of Scotland; the islands' administrative centre and only burgh is Lerwick.
In his defeat, Dean revealed that this constituency does not comprise anything like a majority.
