| No. | Term | Definition |
|---|---|---|
| 1. | Audible | QB changes play at line of scrimmage. |
| 2. | Backfield | Area behind line where QB and backs align. |
| 3. | Ball Carrier | Player currently possessing the football. |
| 4. | Blitz | Extra rushers attack quarterback to pressure pass. |
| 5. | Blocking | Using body to impede defender’s path. |
| 6. | Bootleg | QB rolls out after fake handoff. |
| 7. | Breakaway Run | Long run with open field ahead. |
| 8. | Bump-and-Run | Press coverage with contact near line. |
| 9. | Bye Week | Scheduled week off with no game. |
| 10. | Cadence | QB’s signals to start the snap. |
| 11. | Catch Point | Spot where receiver meets the football. |
| 12. | Challenge | Coach requests replay review of ruling. |
| 13. | Chip Block | Brief hit to help tackle versus rusher. |
| 14. | Clock Management | Strategic use of timeouts and tempo. |
| 15. | Complete Pass | Legal forward pass caught in bounds. |
| 16. | Contain | Maintain edge to stop outside runs. |
| 17. | Cover 0 | Man coverage with no deep safety help. |
| 18. | Cover 2 | Two deep safeties split deep field. |
| 19. | Cover 3 | Three deep defenders divide deep zones. |
| 20. | Cover 4 | Four deep defenders, often quarters coverage. |
| 21. | Coverage | Defending receivers to prevent completions. |
| 22. | Cutback | Runner reverses direction behind blockers. |
| 23. | Defensive End | Edge lineman rushing passer and setting edge. |
| 24. | Defensive Tackle | Interior lineman controlling gaps and rushing. |
| 25. | Delay of Game | Penalty for failing to snap before play clock. |
| 26. | Dime Package | Defense with six defensive backs. |
| 27. | Down | One play attempt to advance the ball. |
| 28. | Drive | Offensive possession series of plays. |
| 29. | Dropback | QB retreats to pass after snap. |
| 30. | Eligible Receiver | Player permitted to catch a forward pass. |
| 31. | Encroachment | Defense enters neutral zone before snap. |
| 32. | End Zone | Scoring area beyond goal line. |
| 33. | Extra Point | One-point kick after touchdown. |
| 34. | Fair Catch | Returner signals no return; protected from contact. |
| 35. | False Start | Offense moves illegally before snap. |
| 36. | Fumble | Loss of possession after ball comes loose. |
| 37. | Go Route | Straight deep route aiming for big gain. |
| 38. | Goal Line Stand | Defense stops offense near goal line. |
| 39. | Gunner | Coverage player sprinting downfield on punts. |
| 40. | Hail Mary | Desperation deep pass near end of half. |
| 41. | Halfback | Primary running back in many offenses. |
| 42. | Hands Team | Onside-kick unit with best ball handlers. |
| 43. | Hard Count | QB cadence designed to draw offsides. |
| 44. | Hash Marks | Field markings guiding ball placement between plays. |
| 45. | Holding | Illegal grabbing that restricts opponent’s movement. |
| 46. | Huddle | Players gather to receive play call. |
| 47. | Hurry-Up Offense | Fast tempo to conserve time and tire defense. |
| 48. | Incompletion | Forward pass not caught in bounds. |
| 49. | Interception | Defense catches pass intended for offense. |
| 50. | Jet Sweep | Receiver motion handoff running across formation. |
| 51. | Juke | Deceptive move to make defender miss. |
| 52. | Kickoff | Free kick starting each half and after scores. |
| 53. | Kneel-Down | QB takes knee to run out clock. |
| 54. | Lateral | Backward or parallel pass; live ball. |
| 55. | Line of Scrimmage | Imaginary line where ball is snapped. |
| 56. | Linebacker | Second-level defender versus run and pass. |
| 57. | Man Coverage | Defenders assigned to specific receivers. |
| 58. | Mike Linebacker | Middle linebacker; often defensive signal caller. |
| 59. | Misdirection | Play action designed to fool defenders’ keys. |
| 60. | Motion | Pre-snap movement by an offensive player. |
| 61. | Muff | Failed catch of kick; ball becomes loose. |
| 62. | Neutral Zone | Space between offensive and defensive lines. |
| 63. | Nickel Package | Defense with five defensive backs. |
| 64. | No-Huddle | Offense skips huddle to speed tempo. |
| 65. | Offensive Line | Five blockers protecting QB and opening lanes. |
| 66. | Offsides | Player crosses line before snap. |
| 67. | Onside Kick | Short kickoff attempt recovered by kicking team. |
| 68. | Option Play | QB reads defender to keep or pitch. |
| 69. | Pass Interference | Illegal contact restricting receiver’s chance to catch. |
| 70. | Pass Rush | Defensive effort to pressure the quarterback. |
| 71. | Pick-Six | Interception returned for a touchdown. |
| 72. | Picket Fence | Return-team wall of blockers for kick return. |
| 73. | Play-Action | Run fake to create passing opportunities. |
| 74. | Protected area around QB for passing. | |
| 75. | Punt | Kick on fourth down to change field position. |
| 76. | Quarterback | Offensive leader who throws or hands off. |
| 77. | Quarterback Sneak | Quick QB run straight ahead on short yardage. |
| 78. | Quarters Coverage | Cover 4; four deep defenders split field. |
| 79. | Red Zone | Offense inside opponent’s 20-yard line. |
| 80. | Return | Advancing a kick or punt after catch. |
| 81. | Route Tree | Standard set of receiver route patterns. |
| 82. | RPO | Run-pass option read after the snap. |
| 83. | Running Back | Back who runs, blocks, and catches. |
| 84. | Sack | QB tackled behind line on passing play. |
| 85. | Safety | Deep defender; also two-point defensive score. |
| 86. | Scramble | QB runs after play breaks down. |
| 87. | Screen Pass | Short pass with blockers set up ahead. |
| 88. | Shotgun | QB alignment several yards behind center. |
| 89. | Sideline Catch | Reception near boundary requiring in-bounds control. |
| 90. | Snap | Center passes ball to start the play. |
| 91. | Special Teams | Units for kicks, punts, and returns. |
| 92. | Spike | QB throws ball down to stop clock. |
| 93. | Stiff-Arm | Ball carrier pushes defender away with hand. |
| 94. | Stunt | Coordinated rush exchange between defenders. |
| 95. | Tackle | Bringing ball carrier to ground by contact. |
| 96. | Tight End | Hybrid blocker and receiver aligned near line. |
| 97. | Touchback | Ball downed in end zone; brought to 25/20. |
| 98. | Touchdown | Six-point score by reaching end zone. |
| 99. | Two-Minute Drill | Up-tempo offense near end of half. |
| 100. | Two-Point Conversion | Try from short distance after touchdown for two. |


