Jurnal Teknologi Informasi dan Komunikasi (JTIK) in Vol. 9 No. 4 (2025): October-December 2025 presents a variety of leading research and innovations in the field of information and communication technology covering a broad spectrum from system development to digital communication analysis. This edition explores the development of web applications for monitoring and inventory, web-based payment systems, and the digitalization of registration processes and data management in various educational institutions and businesses. This volume also discusses political and digital communication strategies, including personal branding of members of the House of Representatives, analysis of audience reception of political campaigns, and the role of social media in women's empowerment. The aspect of learning technology receives special attention through a systematic literature review on the effectiveness of multimedia in flipped learning, trends in the use of e-learning in vocational schools, and the influence of Learning Management Systems on the success of blended learning. Machine learning and data analytics research are also a major focus, including stunting prediction using various models, image classification with Convolutional Neural Networks, XGBoost optimization with Genetic Algorithms, and soil quality classification using K-Nearest Neighbors. In addition, this edition presents digital forensic analysis, database performance evaluation, and a comparative study of user experience in learning applications. The dimensions of digital communication and marketing are also discussed through research on integrated marketing communication, retail activation, sustainable brand positioning, and marketing communication strategies for MSMEs. This volume provides in-depth insights for academics and practitioners in addressing the challenges of modern technology and communication, and makes a significant contribution to the development of science and information and communication technology in the digital era.