1. A computer implemented method for interactively implementing physical electronic designs with track patterns, comprising: using a computing system having at least one processor or at least one processor core to execute a process, the process comprising: identifying an area in an electronic design; interactively defining, with an aid of an interactive design editing mechanism including or coupled with the at least one processor, a sub-area in the area and snapping at least one boundary segment related to the sub-area to one or more strip lines; and assigning one or more track patterns to at least a region in the sub-area, wherein at least one track pattern includes a permitted legal arrangement of a plurality of routing tracks that are used to guide an electronic design automation tool.