krame Å›rÄ«-rÅ«pa-gosÄñi sakali kahila
Å›uni' prabhura bhakta-gaṇera camatkÄra haila
krame - gradually; Å›rÄ«-rÅ«pa-gosÄñi - ÅšrÄ«la RÅ«pa GosvÄmÄ«; sakali kahila - explained everything; Å›uni' - hearing; prabhura - of ÅšrÄ« Caitanya MahÄprabhu; bhakta-gaṇera - of the devotees; camatkÄra - astonishment; haila - there was.
ÅšrÄ«la RÅ«pa GosvÄmÄ« has explained kÄma-likhana in his book Ujjvala-nÄ«lamaṇi (Vipralambha-prakaraṇa 26):
sa lekhaḥ kÄma-lekhaḥ syÄt yaḥ sva-prema-prakÄÅ›akaḥ
yuvatyÄ yÅ«ni yÅ«nÄ ca yuvatyÄá¹ samprahÄ«yate
“Exchanges of letters between a young boy and young girl concerning their awakening of attachment for each other are called kÄma-lekha.â€