Original sentence: It is through focusing on these qualities that Falun Gong practitioners say they develop what they call their xinxing (moral character) which then purportedly gives the potential to develop high levels of 功, gōng, (which Falun Gong practitioners use to mean "high level energy,"  in Mandarin Chinese gōng means "merit" or "achievement" and by extension it is part of compound terms describing a disciplined regimen)
Edited sentence: It is through focusing on these qualities that Falun Gong practitioners say they develop what they call their xinxing (moral character) which then purportedly gives the potential to develop high levels of 功, gōng, (which Falun Gong practitioners idiosyncratically use to mean "high level energy,"  in Mandarin Chinese gōng means "merit" or "achievement" and by extension it is part of compound terms describing a disciplined regimen)