Vaccines that prevent infection or that reduce disease severity are both considered effective

There appears to be quite a bit of confusion about what immunity means for the COVID-19 vaccines that are in use in the U.S. and Europe. These are the 2 mRNA-based vaccines and the DNA-based vaccine:
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The first two diagrams show the mRNA-based vaccines by Moderna and BioNTech & Pfizer; the last diagram shows the DNA-based vaccine by Oxford University and AstraZeneca. [Made with biorender.com; compiled by Nancy R. Gough, BioSerendipity,LLC]. Find out more
For these vaccines immunity means that the person who has been vaccinated with both doses will be protected against getting severe COVID-19, the kind that causes disease symptoms, hospitalization, the need for artificial ventilation, or possibly results in death.
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The question: Can I get infected with the SARS-CoV2 coronavirus after getting the vaccine?
The answer: Likely, yes, but no studies have tested this yet.
Vaccinated people may still be able to get infected with the virus that causes COVID-19, but their immune system will react in such a way that severe disease or any symptoms are prevented from happening. The vaccine could convert infection into an asymptomatic case or a mild case or it could completely prevent infection. No one knows for sure yet.
Because a vaccinated person could still get infected with the virus, he or she could still infect a nonvaccinated person and that person could be someone that gets severe COVID-19 and winds up in the hospital or even dies.
This means that vaccinated people need to keep wearing their masks when in public. The vaccinated person still needs to protect other unvaccinated people from the possibility of contracting the virus.
The only potentially safe time to not wear a mask in the presence of others is if all of the people present have received both doses of a vaccine against SARS-CoV2, the virus that causes COVID-19. Even then, if one of the vaccinated people present is infected with the virus, this person could infect the other vaccinated people present. Critically, the exposure of vaccinated individuals to other vaccinated individuals who are infected with the virus could lead to the infection of not only the vaccinated person but others who have not been vaccinated and who come into close contact with the vaccinated and now infected person.
So, even if you have received both doses of the vaccine, keep wearing your mask to protect the unvaccinated from you. You could still transmit the virus to someone else. You could be just like the asymptomatic people who go on to infect someone who then develops severe COVID-19.
The vaccines protect against getting severe or symptomatic COVID-19, not necessarily against getting infected with SARS-CoV2.
Get vaccinated as soon as you are eligible but keep wearing a mask to protect others. Just because you got the vaccine and now you won’t get sick with COVID-19 doesn’t guarantee that you can’t get someone else sick with COVID-19 if you become exposed to the virus.
Question: Does the vaccine give you the virus?
Answer: No, the three vaccines described here cannot ever give someone the virus.
These vaccines give the vaccinated person the ability to make 1 viral protein. One viral protein does not mean you are infected with the virus. It means that your immune system can recognize this viral protein so that if you do come into contact with the virus, your immune system can attack it.