Question

What is the difference between while vs when​

Answer 1

Answer: when is in the clause with the single action,  “while” in a clause with a continuous action,

Explanation: Here, the conjunction “when” is in the clause with the single action, “the phone rang.” So as a general rule, you should use “while” in a clause with a continuous action, using a verb in a continuous tense. Use “when” in a clause with a single action, using a simple past or present