It is larger than a 1DK (dining + kitchen but no separate living space) and smaller than a 2LDK . Common in urban Japan, especially Tokyo, Osaka, and Yokohama.
"1ldkjk" is a term that does not correspond to any known word, phrase, or acronym in the English language or other widely spoken languages. It appears to be a random combination of letters and numbers. 1ldkjk
Could you please clarify what refers to? For example: It is larger than a 1DK (dining +