If you have pain below your belly button and just above your groin, you could be either pregnant (pregnancy discomfort) or growing some cancer (testicular cancer for men).
It could be herniated. See link below.
It could mean many things. You could be pregnant or have a UTI/ blatter infection/kidney infection. If you are further along in pregnancy it could be round ligament pain or contractions.
According to my midwife, it is normal for your uterus to come up to about an inch or two below your belly button at this point in pregnancy. Around 20 weeks, it should reach, or almost reach, your belly button.
if your stomach is hardened After a couple months, you'll be able to feel a firmness at or below your belly button.
In females it could mean your pregnant. In male you could have something wrong with your reproductive system. Often it could be cramps. But if you are having pains in quadrant 4 it could be appendicitis. which would be your lower right half. consult with your doctor.
Abdomen
No, her belly button is not pierced. I've attached a related link below to show that she does not have one.
right below your belly button.
yes that is totally normal, but not until later in your pregnancy.
she has two tattoos. One of a butterfly below her belly button and a wishbone right above her belly button.
They are located on top of the kidneys and normally are slightly above the belly button (navel). But there is tremendous variation in where a normal belly button is located on the abdominal wall.