The mark consists of the stylized wording "FIDU", where the letter "F" is capitalized and the letters "IDU" are in lowercase, all in blue; there is a white comma-shaped design inside of the dot over the letter "I"; the wording is surrounded by a speech balloon design that is formed by a stethoscope design; the diaphragm of the stethoscope is in gray with dark gray shading and a yellow-green circle in the middle, and is located to the left of the wording; the tubing of the stethoscope is in yellow-green outlined in green and surrounds the wording in the fashion of a speech balloon; the eartubes for the stethoscope are in gray with dark gray shading and are to the left of the wording, to the right and left of the diaphragm design; the entire stethoscope design has slight shading in light gray; the white inside of the speech balloon represents background or transparent areas and is not part of the mark.