Lateral thinking is teh ability to follow a logical sequence as A, B, C, but also, to visualize what happens outside the sequence (that´s why its called lateral), say A1, A2, A3 an so on, followed by B1,B2,B3 and so on. On a more human experience-like example, say you listen to an argument and instead of judging who is right or wrong you analyze the situation surrounding the facts. That´s lateral thinking. There is also a multidimensional thinking, that tries to comprehend the subtle interrelation among circunstances and factors that affect a phenomenon.