Policy making involves not only political leaders but also civil servants, advisory units and committees, and private advisers
Most policy is made by ministers and their advisers in the ruling party
populist parties typically represent people who feel they’ve been ignored by conventional parties. These parties usually emerge rapidly then disappear
“Issue parties” usually respresentative a certain cause e.g. the Green party
Parties spend a great deal of time selecting candidates for office at all levels
Parties have procedures for identifying political leaders. In the ruling party the leader chooses a small group of “front bench” spokes persons who form leadership
% of seats won by the two main parties has decreased from 95.8% in 1979 to 87.2% in 2019 suggesting they still dominate but the largest third party is gaining popularity
in 2005 the largest third party won the most seats - 62 seats
over a period of 40 years the two main parties have always collectively had a majority
Labour is the main party in wales, sometimes securing a majority, sometimes working in coalition and sometimes as a minority gov - again suggesting a dominant-party system
Northern Ireland has its own party system, appearing to be multi-party but the system is dominated by the DUP and Sinn Fein, suggesting two-party dominance
As a whole I think the UK is a multi party but in terms of electoral results the UK elections reveal a dominant or two-party system