This is the 113th most frequent Thai word.
ตชด
"ตชด" is the Thai abbreviation for "ตำรวจตระเวนชายแดน," which translates to "Border Patrol Police."
In this sentence, ตชด. refers to the Thai Border Patrol Police, which is its standard usage as an acronym.
ตชด. ออกไปปฏิบัติภารกิจในวันนี้.
The border police went out to perform their mission today.
In this case, ตชด. highlights the heroic role and contribution of the Thai Border Patrol Police as a thematic element in a story.
บทภาพยนตร์เรื่องใหม่พูดถึงตชด. ที่เสียสละเพื่อชาติ.
The new movie script talks about a border patrol officer who sacrifices for the nation.
Here, ตชด. is used to refer to an individual member of the Thai Border Patrol Police, expressing a personal aspiration.