Ignorant End of a Straight - the lower end of the straight, when drawing to an outside straight you draw the lower end eg. on a 3456 you draw a 2 instead of a 7 , ignorant when you lose to a player holding the 7 in a similar straight

Inside Straight - drawing to an inside straight is drawing to a straight that is missing a card in the middle eg. drawing a card on a 2356 looking for a 4. An outside straight would inlcude 4 consecuvite cards 3456 to improve your hand you would have to draw a 2 or 7