Before revision: Problem solving is the process of achieving a goal by overcoming obstacles, a frequent part of most activities.
After revision: (from Greek πρόβλημα próblema, “anything thrown forward, hindrance, obstacle, anything projecting, a headland, promontory”Ursula Hermann, Knaurs etymologisches Lexikon, 1983, S. 391; ISBN 3-426260743 and from Latin solvō, “to untie, set free, separate”)Problem solving is the process of achieving a goal by overcoming obstacles, a frequent part of most activities.