EB-5 Immigrant Investor Program terms and definitions:

EB-5: Congress created the EB-5 program in 1990 to stimulate the U.S. economy through job creation and capital investments by foreign investors. In return these foreign investors gain a 2-year conditional residency visa with the opportunity to make it permanent.

Regional Center: A regional center is a publically or privately owned organization, that is designated and regulated by USCIS, that pool multiple EB-5 investors investments to promote and develop projects for U.S. economic growth.

USCIS: United States Citizenship and Immigration Services is a government agency that oversees lawful immigration into the U.S.

TEA and RA: Targeted Employment Area (TEA) is either a high unemployment area or a Rural Area (RA). Congress has reserved 3,000 of the 10,000 EB-5 visas for investors in TEAs.

LPR: Lawful Permanent Residence (LPR) is also known as a green card. It has four parts:

Form I-526 immigrant petition approval.
Application for immigrant visa either through adjustment of status through the U.S. with USCIS or through application for immigrant visa through Department of State
Upon approval (I-485) or admission (EB-5), applicant is given 2 years conditional residence status in the U.S. for he or she, a spouse and any unmarried children under the age of 21.
If the conditions of the EB-5 have been fulfilled after 2 years of conditional residency, a petition must be filed to remove the LPR conditions to become an unconditional LPR.

Probative Value: When submitting documents for your EB-5, make sure those documents have "Probative Value", which means that the source of the documents has value. (Example: Documents issued by the government have more probative value than documents issued by family or friends.)