A bus in FL Studio is a channel that carries audio from multiple sources and sends it to a single destination, which can be a mixer channel, another bus, or an audio interface. This allows you to group and process multiple audio tracks together, such as adding reverb to a group of tracks.
To send a reverb track to a bus, first create a new bus by right-clicking on the mixer panel and selecting “Add new bus”. Then, select the tracks you want to add to the bus by clicking on them in the mixer panel and dragging them to the bus. Finally, add a reverb plugin to the bus by clicking on the “Add” button in the bus’s mixer channel and selecting a reverb plugin from the list.
