By

As a preposition, 'by' signifies several relationships including proximity, agency, means, time, and method. It indicates location near something, the agent performing an action, the instrument used, a point in time, or the manner of doing something. It's versatile, connecting nouns, pronouns, and verbs to express varied connections within a sentence. Its meaning is often revealed by its context.

By meaning with examples

• The cat sat by the warm fireplace, enjoying the heat. He loved to stay near the heat source. The warmth radiated from the flames as he closed his eyes. His fur was gently warm against the stone of the structure. He purred contentedly in its vicinity, feeling the warmth spreading slowly.
• The building was designed by a renowned architect. His work and designs would live for decades. His vision, drawn and built to last centuries, were renowned. He used his experience to develop great structures. His team helped him create the blueprints of life and space.
• You can travel by train to reach the city. He was a great planner of time, able to see the future. The train was the preferred means to travel. He was sure it was cheaper than the cost of gas. The method was a great boon to all.
• The deadline is due by Friday afternoon. The planners were able to get the timetable set. That's the very latest possible moment. They had time to complete the task. The end of the task was to complete it by this time.