The Red number is the number of people wanting you to Accept or Decline their request for you to add them to your contacts. Look in the "Recent" list to see who is waiting for your response (has a small number next to the icon) then click their name and Block ( or Decline or Accept ) their request - the Red number will disappear if zero.
imedient messege
It means your online.
This icon that you're talking about means that something is wrong with the audio output. It could be due to a number of things. Call the apple support line to sort it out.
A circle around the number indicates a spilt.
Do you mean Skype? If so , look in your profile.
It means the circumference of a circle
it means the military or terrorist group you are playing for
It means "draw a circle around the prime number"!It means "draw a circle around the prime number"!It means "draw a circle around the prime number"!It means "draw a circle around the prime number"!
If you mean Pi as regards to a circle then it is an irrational number
If it is on a map for ocean travel it would mean degrees
A Closed Circle means that that number is INCLUDED in the line of numbers. An OPEN circle means the line of numbers go up to the given number , BUT does NOT include the given number.
The Zune HD does not have a Skype app, if that's what you mean.