a flexible line of connected metal rings or links, used for connecting, fastening, holding etc

succession, series

the firing of guns from two or more points so that the lines of fire cross

switch, exchange

a series of events taking place in a regularly repeated order

era, phase

the absence of stability (of character)

imbalance, inconstancy

a place where roads join a motorway etc; (an instance of) the exchange of ideas, methods etc

switch, exchange

that which follows or arises out of (an earlier event); a story, film etc continuing the plot etc (of an earlier one)

follow-up

a number of connected things, events etc coming one after another

order, succession

a number of railway coaches etc joined together; to give (a person, animal) teaching and practice in a skill or profession

series

switch, exchange

switch, exchange

imbalance, inconstancy

imbalance, inconstancy