
The source of picture:businesswithgermans.com/Documents/Etiquette.html
Etiquette:  Noun   [uncountable]
Definition:  the formal rules for polite behaviour in society or in a particular group
Sentence:  strict rules of professional etiquette


The source of picture:http://www.bestfoto.com/Galleries/Gallery_024/Despair-4040.jpg
Despair: noun [uncountable] verb [intransitive]
1. a feeling that you have no hope at all.
2. be the despair of somebody old-fashioned to make someone feel very worried, upset, or unhappy.
3. to feel that there is no hope at all.

 The source of picture:http://www.cartoonstock.com/directory/d/do_not_disturb_gifts.asp
 The source of picture:http://www.cartoonstock.com/directory/d/do_not_disturb_gifts.asp

