the beauty of teh Mult is that you can quickly change periodicity between per bar , half-bar, beat, etc - the reason it’s configured this way is due to the historical relationship to Tempo
The key to tempo syncing is understanding the factor or Speed and Mult and how a 4/4 bar relates to numbers relating to 2^n … ie 256 128 64 32 16 8 4 2 1 etc