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Term list follows the topic outline of the GoRout football glossary. Definitions are written for this board. Rules details vary between the NFL, college and high school.
Solid arrows are runs, routes and zone drops; flat ends are blocks; dashed lines are motion, fakes and man coverage. Each play is drawn on the formation named on its card, and assignments are typical, not any one team's rules.
Teams, seasons and coaches come from the titles listed in the FootballXOs.com offense and defense playbook archives; the special-teams studies have no archive listing. No playbook was downloaded or reproduced: the summaries are written for this board from general football history, and the formation links are this board's closest matches.
Pick or draw a formation and The Playbook Caller checks the alignment against the NFL, NCAA, NFHS or Texas UIL rule book, tells you what is wrong and shows the rule behind the call.
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Your custom formations and plays are saved to your account and follow you to any device you sign in on. This browser keeps a working copy, so the board also works offline; changes sync when you are back online.
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Coming soon: ask why a formation is legal or illegal under NFL, NCAA, NFHS or NCAA + Texas UIL, and get the rule cited, in English or Spanish. What would you ask?
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Not an official ruling tool. The game officials' decision governs.