What does 娓娓道来 mean?

Question 1: What does it mean to tell the truth? How to use it? Speak slowly and unhurriedly.

For example, I asked my cousin who had just returned from abroad to tell me about his experiences abroad in these years. So my cousin poured a cup of tea, lit a cigarette, sat down on a small stool, and talked to me.

Question 2: What does eloquently mean? To speak eloquently; to describe something that is eloquent, neither hurried nor slow, and to speak pleasantly, calmly and naturally.

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Question 3: What is the pinyin of Wei Daolai? wei wei the second tone, dao the fourth tone, lai the second tone