Two types of bhajana-kriya: unstable (anisthita) and stable (nisthita).
Six subdivisions of anisthita-bhajana-kriya: utsaha-mayi, ghana-tarala, vyudha-vikalpa, visaya-sangara, nyamaksama and taranga-rangini.
Four types of anarthas: svarupa-bhrama, asat-trsna, hrdaya-daurbalya and aparadha.
Four other types of anarthas: duskrti-utha-anartha, sukrti-utha-anartha, bhakti-utha-anartha and aparadha-utha-anartha.
Aparadha means lack of love and affection.
Four types of aparadhas: nama-aparadha, dhama-aparadha, seva-aparadha and vaisnava-aparadha.
Five stages of removal of anarthas: eka-desa-vartini, bahu-desa-vartini, prayiki, purna and atyantiki.
Five obstacles that arise with the practice of bhajana: laya, viksepa, apratipatti, kasaya and rasasvada.
Mainly the translators must enter the tattva-siddhanta so that there are no errors in the interpretation of the Harikatha.
A pastime of Russian devotees who formed a line to deliver grass to Srila Gurudeva Narayana Gosvami Maharaja due to a wrong interpretation by the translator of the Harikatha given by Srila Gurudeva Vana Maharaja.