Can you explain the underlined places in a simple way so that we can understand the definition of the "Calculate the required reinforcement over the current distance" option that can be used for slab flooring and Raft Foundation? "Calculate the required reinforcement along the current distance: If checked, the reinforcement calculation is made to meet the maximum moment of in the region within the distance where the reinforcement axis is valid. If not, only [color] is calculated. =#FF0000] reinforcement is calculated to meet the[/color] moment on the reinforcement axis."