this site is rubbish
At the front there was the front line, then there was the support trench and at the back was a reserve trench.
communication trench links the front line and first support line trench supports trench.
communication trench links the front line and first support line trench supports trench.
Front line trench Support trench reserve trench
Between 70 and 100 yards (64-91 m) behind the front trench was located the support (or "travel") trench, to which the garrison would retreat when the front trench was bombarded. Between 300 and 500 yards (275-460 m) further to the rear was located the third reserve trench, where the reserve troops could amass for a counter-attack if the front trenches were captured.
As a defensive measure, in case the front trench was overrun.
yes there was, there was usually a base trench, and close by was a suppport trench
In the same trench, they'd probably just yell down the line or walk. If they were in different trenches, they'd send a runner, someone with a track or some sort of running background to pretty much dodge bullets to get the message to the other trench.
During World War I, "support trenches" were found throughout the theaters of the war wherever trench-lines were constructed. Running perpendicular and parallel both to the main defense-line trenches, support trenches enabled front-line troops to communicate with each other, receive supplies, and organize for coming battles without being in the line of fire of the enemy across the (often quite narrow) "no man's land" between enemy lines.
As a defensive measure, in case the front trench was overrun.
the reserve trench were the lin eof trenchs that are behind the front lin trench. if or when the front line trench is captured, the solidiers can use the reserve trench line and the substitute front line
trench boxes