Answer: Even with the warm weather, there was still a vestige of snow on the ground. Vestige is a trace of something that is disappearing or no longer exists.
In Act I, Ross brings good news. He tells Duncan of Macbeth and Banquo's valiance in defeat of Norway. Later, he tells Macbeth that he is Thane of Cawdor. In Act IV, Ross informs Lady Macduff that her husband has left them for England.
I believe that “chat” is stressed/accented and “el” is unstressed. Similar to the word “present,” where emphasis/accent is placed on “pres.” Hope this helps!