Answer:
Parodos [Πάροδος] is the term and it has a variety of meanings:
A/ It is a person who covers a distance/ travels on foot [οδοιπόρος].
Β/ Passage, pathway, trail
C/ The left entry passage of the ancient Greek theater to the scene [ορχήστρα].
D/ The first chorus ode of a performance [τραγωδία/ κωμωδία] in the ancient Greek theater
E/ The entrance of the chorus in the scene [ορχήστρα] - ancient Greek theater
F/ The sideway that leads to an avenue or highway.
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Exodos [Έξοδος] has also a variety of meanings:
A/ Exit
B/ Campaign of armed forces, expedition.
C/ The end [of a performance, of life]
D/ Result
E/ Expense
F/ The act after the last chorus part [στάσιμο] of a performance [τραγωδία/ κωμωδία] in the ancient Greek theater.