In the US, the standard product for many decades was a 30 year, truly fixed rate mortgage. Any of the adjustable rate products with an initial period of fixed rates are still called adjustable rate mortgages (ARM) and are short-handed as the fixed period stroke the adjustment frequency. A 7/1 is fixed for 7 years, then adjusts every year. (Annoyingly, a 5/6 is 5 years fixed and adjusting every 6 months.)

When people in one market talk about their fixed rate mortgages adjusting rates, it sounds strange to people familiar with other markets, just reinforcing the “real estate is local” adage.