The centre doesn’t exist, the term is used by right wing parties chasing more votes.
left = society/community, environment
right = more money for the rich at any cost, white power, sexism, religion etc
the alp do well from people pretending they are left wing, and/or by pretending that they are centrist, but the reality of the current government is very much right wing (pro war, racism, sexism, big corporations getting a free lunch, fossil fuel etc) the alp leaders favourite person is a pedophile.
The duopoly started marketing against the greens as soon as they appeared, when the duopoly realised that people might vote for good, instead of just continuously voting for the duopoly. Anyone who hasn't realised by now that the duopoly never loses, is either young, or wilfully deluded.