time frame 
noun
A specified period of time in which something occurs or is planned to take place: the work had to be done in a time frame of fourteen working days...
- I think that two years is a reasonable time frame to make my dream a reality.
- Being as specific as possible with the time frame will help the plan be successful.
- Unless we move to build it within a reasonable time frame this money will have to be repaid to the developers.
- class ticket
- class war
- class warfare
- class warrior
- class-wise
- class word
- classwork
- classy
- clast
- clastic
- clathrate
- clathrin
- clatter
- clattering
- clatty
- Claude glass
- structure dependency
- structure-dependent
- structuredness
- structured programming
- Structured Query Language
- structured settlement
- structure formula
- structure-independent
- structureless