Creating a fence design that perfectly melds elegance with security is akin to striking the right balance between beauty and functionality. The task is challenging but not insurmountable, and it calls for innovative thinking and clever engineering. To achieve this harmony, one must delve into the realms of aesthetics and robustness, ensuring neither aspect overshadows the other.

Elegance in a fence is often characterized by clean lines, a harmonious integration with the surrounding landscape, and materials that evoke sophistication. On the flip side, security demands strength, durability, and features that deter unauthorized access or breaches. So how does one bring these seemingly disparate elements together in a cohesive design?

The key lies in the selection of materials; they are the linchpins that hold both elegance and security together. Wrought iron is an exemplary choice – it offers time-honored grace with its potential for intricate scrollwork while being nearly impervious to forceful entry due to its sturdy nature. By treating wrought iron with anti-corrosive coatings, we can ensure longevity alongside its inherent strength.

Innovative design techniques also play a vital role. For instance, integrating geometric patterns can enhance visual appeal without compromising on solidity. A lattice pattern interspersed with solid bars can dissuade climbers while providing an elegant touch reminiscent of classic garden designs.

Height plays a critical role in security yet can be manipulated artistically to contribute to aesthetic value. Graduating heights or incorporating sweeping curves at the top edge of the fence provides an elegant silhouette against any backdrop while making it difficult for intruders to scale over.

Technology has allowed us to incorporate sophisticated security features seamlessly within our elegant designs—cameras or motion sensors concealed amidst ornamental features or along inconspicuous parts of the structure add layers of protection without detracting from its visual charm.

Lighting should not be overlooked either; it adds ambiance while enhancing security after dark. Strategically placed soft lighting can cast intriguing shadows through metalwork patterns while illuminating potential points of vulnerability.

Finally, landscaping around your secure yet beautiful barrier shouldn't be neglected—it's here where you can soften hard lines or reinforce boundary lines subtly with hedges or flowering shrubs that entwine themselves naturally around your protective yet pleasing stronghold.

In conclusion, combining elegance and security within one fence design requires thoughtful material choices, creative design strategies, technological integration aligned with discreet lighting solutions—all crowned by complementary landscaping efforts. This holistic approach ensures our fences not only serve their protective purpose but also become objects of admiration—a testament to our ability to weave safety seamlessly into style's rich tapestry.