The phrase "support structure" refers to a system or framework that provides help, assistance, or stability. It can be physical, such as a building's foundation, or abstract, like a group of people who offer emotional support. Full definition
This is an infection of the gums and potentially the other supporting structures of the teeth. (critterdoctor.com)
The recognizable chain has a trusted reputation and a strong support structure for franchises to help its owners successfully run their stores. (businessinsider.com)
We are committed to targets in gender balance, and have a number of support structures in place to promote ethnic diversity and social mobility. (lex100.com)