This is the 1200th most frequent Portuguese word.
estejam
"Estejam" is the present subjunctive form of "estar," meaning "they/you (plural) may be" in English.
The word "estejam" is used in the subjunctive mood to express a wish or hope for the state or condition of "eles" (they).
Espero que eles estejam bem.
I hope they are well.
Here, "estejam" is used to indicate possibility or uncertainty about the location of the documents.
Talvez os documentos estejam na mesa.
Perhaps the documents are on the table.
In this example, "estejam" triggers the subjunctive mood to convey necessity or requirement directed at "vocês" (you all).