This is the 6018th most frequent Portuguese word.
cplp
CPLP: Community of Portuguese Language Countries; an organization promoting cooperation among Portuguese-speaking nations.
CPLP is used here as a noun referring to the Community of Portuguese Language Countries.
A CPLP reúne países de língua portuguesa.
The CPLP gathers Portuguese-speaking countries.
CPLP is again a noun, denoting the organization responsible for organizing the event.
Eu participei de uma conferência organizada pela CPLP.
I participated in a conference organized by the CPLP.
CPLP is used as a noun in a possessive form, indicating its agreements and activities.