narrow the topic
The point directly above the focus is the vertex of the parabola. The focus is a specific point on the axis of symmetry of the parabola, and the vertex is the point on the parabola that is closest to the focus.
create a thesis statement that clearly articulates the main argument or point you are making. This will help guide the direction of your essay and keep your focus on your intended purpose.
The point at which an earthquake begins is called the focus or hypocenter.
The main purpose of a laser is to focus electromagnetic radiation (light) on to a single point.
focus
Central point is the main idea or focus of a topic or discussion. It is the key message that summarizes the most important information or argument. Identifying the central point helps to understand the overall meaning or purpose of the subject being discussed.
The point of origin of an earthquake is called the hypocentre or focus. The epicenter is the point on the surface directly above the focus.
Answer #1 . . . convergenceAnswer #2 . . . focus
A point in which the rays of light meet, after being reflected or refrcted, and at which the image is formed; as, the focus of a lens or mirror., A point so related to a conic section and certain straight line called the directrix that the ratio of the distace between any point of the curve and the focus to the distance of the same point from the directrix is constant., A central point; a point of concentration., To bring to a focus; to focalize; as, to focus a camera.
A point in which the rays of light meet, after being reflected or refrcted, and at which the image is formed; as, the focus of a lens or mirror., A point so related to a conic section and certain straight line called the directrix that the ratio of the distace between any point of the curve and the focus to the distance of the same point from the directrix is constant., A central point; a point of concentration., To bring to a focus; to focalize; as, to focus a camera.
The focus of an earthquake is the point along a fault at which the first motion of an earthquake occurs.The epicenter of an earthquake is the point on Earth's surface directly above an earthquake's starting point, or focus.
This is the focal point, the point of focus.