Okay, advancing directly to Step 4 based on your instructions and topic. Here is the text about Mahasi Meditation, formatted with synonym variations as asked. The base text body word count (before inserting synonyms) is approximately 500-520 words.

Heading: The Mahasi Approach: Reaching Understanding Via Attentive Labeling

Introduction
Emerging from Myanmar (Burma) and spearheaded by the revered Mahasi Sayadaw (U Sobhana Mahathera), the Mahasi technique represents a highly prominent and organized form of Vipassanā, or Clear-Seeing Meditation. Celebrated globally for its distinctive stress on the moment-to-moment awareness of the upward movement and contracting sensation of the stomach during respiration, combined with a precise silent noting process, this approach presents a direct path to comprehending the core essence of mentality and physicality. Its preciseness and systematic quality have made it a foundation of insight cultivation in countless meditation centers throughout the globe.

The Central Approach: Watching and Mentally Registering
The foundation of the Mahasi technique is found in anchoring awareness to a chief subject of meditation: the physical feeling of the stomach's motion as one inhales and exhales. The student is instructed to keep a consistent, unadorned attention on the feeling of rising with the inhalation and deflation with the out-breath. This object is chosen for its perpetual presence and its manifest display of impermanence (Anicca). Importantly, this watching is paired by exact, transient internal tags. As the belly moves up, one internally notes, "expanding." As it falls, one notes, "falling." When attention predictably goes off or a different object becomes dominant in awareness, that new experience is also observed and noted. Such as, a noise is labeled as "hearing," a mental image as "thinking," a physical discomfort as "soreness," happiness as "happy," or anger as "anger."

The Objective and Benefit of Acknowledging
This apparently simple practice of silent labeling functions as several here vital roles. Initially, it tethers the mind squarely in the current moment, counteracting its habit to drift into past recollections or upcoming worries. Furthermore, the unbroken use of labels fosters keen, continuous attention and builds Samadhi. Thirdly, the practice of labeling encourages a objective stance. By just registering "discomfort" instead of responding with dislike or being caught up in the content around it, the practitioner learns to understand experiences just as they are, without the layers of automatic judgment. Eventually, this prolonged, incisive awareness, assisted by noting, brings about direct insight into the three inherent marks of every conditioned existence: impermanence (Anicca), suffering (Dukkha), and non-self (Anatta).

Sitting and Walking Meditation Alternation
The Mahasi style often blends both structured sitting meditation and mindful walking meditation. Walking practice functions as a crucial complement to sedentary practice, helping to preserve continuum of awareness whilst balancing bodily discomfort or cognitive sleepiness. During gait, the labeling process is adapted to the feelings of the footsteps and legs (e.g., "lifting," "swinging," "lowering"). This cycling between stillness and moving facilitates deep and uninterrupted training.

Rigorous Retreats and Daily Life Use
While the Mahasi method is often taught most effectively during silent live-in periods of practice, where external stimuli are lessened, its fundamental tenets are very relevant to daily life. The capacity of conscious labeling may be applied continuously during everyday tasks – eating, washing, doing tasks, interacting – changing ordinary periods into occasions for enhancing mindfulness.

Conclusion
The Mahasi Sayadaw approach presents a lucid, direct, and profoundly methodical path for fostering wisdom. Through the rigorous application of concentrating on the abdominal sensations and the precise silent labeling of all emerging physical and cognitive experiences, practitioners may directly examine the nature of their subjective experience and move towards Nibbana from unsatisfactoriness. Its enduring impact attests to its power as a transformative contemplative discipline.