For the software crowd: We have at least hundreds of terms for "data structure". E.g. tree, binary tree, binary search tree, red-black tree, for just one path

For the software crowd: We have at least hundreds of terms for "data structure". E.g. tree, binary tree, binary search tree, red-black tree, for just one path down the taxonomy of data structures. If I'm talking to a lay person, I generally just call all of them "data structure" unless they express deeper curiosity.