Next to or together with something else.
“The information booth is located alongside the main entrance of the fairground.”
“New members receive a welcome kit alongside their membership card.”
In layout diagrams, 'alongside' can describe physical placement, such as a bike rack alongside the entrance, or an action happening at the same time as another. Part 2 questions may test spatial relationships in maps, so use this word to confirm the exact position described.
Synonyms: beside, next to, together with