Indeed! And even then drawing can help with the programming! Discussing code for linked lists for example, having the box and pointer notation for what happens

Indeed! And even then drawing can help with the programming! Discussing code for linked lists for example, having the box and pointer notation for what happens and scenarios very helpful! [1]<->[2]<->[3] to [1]<->[3] means changing [1]'s and [3]'s pointers and freeing [2]