There is a systematic methodology to interpret Gurbani.
Various types of Ghar are various types of ways to interpret messages of Gurbani.
We need to ascertain that which is the type of Ghar in which the Sabad of Hukamnama, that you use in Katha or in Kirtan. If there is no mention of Ghar in the title, you need to go that many Sabads behind to find the title, as is the numbering of the Sabad in question.
Once the type of Ghar is established, you have to interpret the Sabad in accordance with that specific type of ghar to remain near the original interpretation indicated by Guru Sahib.