Not just in orchestra, but in all music, a whole rest indicates that no notes are played for an entire measure.
If you are referring to an orchestra as a whole, you still call it an orchestra.
tutti
A ritornello
improvise :)
In general, the strings make up around 75% of the orchestra.
In an orchestra, a section is a subsection of the whole orchestra.
A refrain played by the whole orchestra in a Baroque concerto
If you are referring to an orchestra as a whole, you still call it an orchestra.
The "pit" is an area just in front of the stage itself. It may be sunken below the rest of the floor. For musicals, it's usually used for the orchestra, but for conventional plays where there's no orchestra, it can be used for seating.
tutti
a ritornello
An orchestra is a coordinated group of varied musical instruments, each played by a musician and the whole coordinated by a conductor.
'tutti' (pronounced 'tooty') is Italian for 'all (men, or masculine nouns)' It is also used in orchestral scores to mean 'the whole orchestra' The equivalent in Spanish would be 'todos'
A ritornello
He or she keeps the whole group together.
improvise :)
Like about one. If the orchestra is really big about 2 Like about one. If the orchestra is really big about 2