1. a body of coherent matter, usu. of indefinite shape: a mass of dough. 2. a collection of incoherent particles, parts, or objects regarded as forming one body: a mass of sand. 3. aggregate; whole: People, in the mass, mean well. 4. a considerable number or quantity: a mass of errors. 5. bulk; massiveness: towers of great mass and strength.
The duration is counted from the date of the first entry into the Schengen-Area. A Schengen-Visa with the validi ty of one year or more and a registered duration of stay of 90 days permits you, however, to stay in the Schengen-Area for a maximum period of 90 days per half-year (in Germany or other Schengen-Countries).or example: A person has a Schengen-Visa that is valid from 1 January 2013, until 31 December 2013, i.e. for one year. On 18 October 2013, this person (i.e. the visa holder) is in the Schengen-Area.
I read everywhere all Schengen type C visas have a maximum authorized stay of 90 days, if that is true I'd have no problem staying 60 more days and spending the holidays with my sister (Nov 11 to Jan 10) But my visa says DURATION OF STAY: 40.