Risk (n.) is a new problem situation first seen in the 18th century when the potential for losses were put into play against great future advantages.
Risk (n.) is where a future potential damage is the consequence of a decision that had been taken.
Risk (n.) is a threat produced within a system... one's actions can allow the risk to come to fruition (whereas danger emerges uncontrollably from outside of a system, network, or social context).
Risk (n.) arose in the 18th century when what was at issue was not the appearance of any startling new things, but a novel concern over what would happen.
Risk (n.) is concerned with decision... namely a decision whereby certain advantages are to be gained only if something is at stake and only if it will be regretted if a loss occurs which one had hoped to avert.
Risk (n.) is concerned with expectations (which means they involve knowledge and experiences of the past that can be developed formally or casually).
Risk (n.) is concerned with expectations, which can be more or less (un-)certain.
Risk (n.) is not necessarily related to the behavior of an individual, rather the concept of risk entails a distinction between 'decision makers'.
Risk (n.) entails one's own involvement in cause and effect. Within risk, possibilities are viewed as the outcome of strategies, and hence controllable.