When we literally translate terza rima from Italian to English, this means "third rhyme". This was first used by Dante Alighieri, and is composed of an interlocking three line rhyme scheme. Terza rima uses the pattern A-B-A, B-C-B, C-D-C, D-E-D. Hope my answer has come to your help.
The event where they call the police because they trust their instinct or when something is wrong and asks for help or when b utterson and pooole enter dr jekyll labarartory even though they are not afraid and or they buy strange medicene