A 16-bit microprocessor can process data and memory addresses that are represented by 16 bits. bus : indicates the number of wires in the bus.
A 16-bit bus transmits 16 bits in parallel.
To create a new project, select File > New > VHDL Project or File > New > Verilog Project.
Then give your project a name.
By default, the Use default location checkbox is checked, which means that new projects will be located in the workspace folder.