Based on the clue 'a dot on a die', what is the answer?

Based on the clue 'a doorsill or a point that must be exceeded to beg...', what is the answer? What is referred to by 'a doppelganger'? Based on the clue 'a dorgi was the royal result when one of qeiis cor...', what is the answer? Based on the clue 'a dot indicating a unit of numerical value on dice...', what is the answer? Based on the clue 'a double bend in a road or a record label with tom...', what is the answer? Based on the clue 'a double one of these is often used to melt chocol...', what is the answer? Based on the clue 'a double that visually resembles another', what is the answer? Based on the clue 'a doughnut like treat from new orleans cafe du mon...', what is the answer?