Good explanation Ari, thanks. Another common name used in the industry for Partition is "Area" and many manufacturers use the term Area instead of Partition. Personally, I prefer Partition.
Same goes for "zones" and "inputs" and "alarm points" which all mean exactly the same thing for most manufacturers. I kinda prefer the term "Inputs" over "zones" because some manufacturers use "zones" to mean Partitions (where a "zone" would be a group of inputs that would be armed and disarmed together)