Question

A party's ________ contains its philosophy, principles, and policy positions. caucus convention platform machine primary

Answer 1

I believe the answer is: platform.
For example, let's examine the Democratic and republican platforms as the two major parties in united states.
The democratic platform would be: More government involvement, higher tax payment, more government budget allocation for welfare,
The republican platform would be: Less government involvement, lower tax payment, less government budget for welfare allocation